| 摘要 |
PROBLEM TO BE SOLVED: To avoid radiotherapy planning being hindered by a sight defining indicator of therapeutic radiation displayed together in a radioscopic image. SOLUTION: In this apparatus, the sight defining indicator for defining sighting in irradiating therapeutic radiation is displayed superposed in the radioscopic image after radiography by the image signal processing of a sight defining indicator display part 18, and the sight defining indicator can be easily removed from the radioscopic image by suspending the superposed display of the sight defining indicator by an indicator display/non-display switching part 19. Consequently, if there is the sight defining indicator hindering the radiotherapy planning, it is removed from the radioscopic image by switching over to non-display by the indicator display/non-display switching part 19 to avoid hindering the planning. COPYRIGHT: (C)2005,JPO&NCIPI
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